How To Clear The Cache In Firefox (Windows, macOS, iOS, & Android)

Key Takeaways

Firefox browser cache is stored website data that speeds up site loading times. You can clear the cache to save storage space or to fix problems, such as videos not appearing.

In the Firefox web browser, you can individually delete “Cookies and site data” and “Cached web content,” as well as your browsing history.

info Cookies and site data may be important as they allow you to log into sites without entering your credentials.

info Cached web content is less important but will cause slower loading times for previously visited websites.

To clear the Firefox browser cache in Windows, go to Settings > Privacy & Security > Clear Data > Cached Web Content > Clear

If you’re having trouble loading a webpage or seeing a video, try clearing your Firefox browser cache. And this guide will show you how to do that in WindowsmacOSiOS, and Android.

To clear your Mozilla Firefox browser cache, select your OS from the list below:


Browser Cache FAQs

Should I clear cache in Firefox?

Like Edge, Safari, and Google Chrome, browser cache in Firefox is used to store website data, including your login details. It allows you to access a previously visited website with less loading delay. That makes cache important for people who need quick access to sites without having to load the page every time or remember their login credentials.

However, clearing your cache could solve the issue if you’re experiencing problems in Firefox, such as trouble loading a webpage or seeing a video. But before you clear your cache, it’s important to know what happens, so please continue reading to learn more.

Does clearing browser cache delete anything important?

If you save your login credentials in Firefox, then clearing the cache will remove those credentials. That means you will have to re-enter your usernames and passwords for your saved sites. And if re-entering your login credentials is a problem for you, then clearing your browser cache does delete important information.

Fortunately, you can select which cache to delete in Firefox, meaning you can remove website data without removing your login credentials. The How do I clear my cache in Firefox section provides a detailed guide on how to do that.

You can also clear history for a specific time range, although doing so will not affect cached web data.

What happens if I clear my browser’s cache?

There are different types of cached data that you can clear in Firefox: Cookies and Site Data, Cached Web Content, and Browsing History. The list below defines what each option will remove.

Removable cache in Firefox:

  • Cookies and Site Data
    • Clearing cookies and site data may sign you out of websites you’ve signed into.
  • Cached Web Content
    • Clearing web content means you will have to reload websites you’ve previously visited.
  • Browsing History
    • Clearing your browser history means you won’t see the websites you’ve previously visited.

How do I clear my cache in Firefox?

How to clear Firefox cache (windows Windows)

  • First, open your Firefox browser.
  • Click on the menu button in the top right corner of your browser window. (1)
  • Then select “Settings” at the bottom of the drop-down menu. (2)
  • Firefox settings will appear in a new tab in your browser window.
  • Click on Privacy & Security” on the left menu. (1)
  • Then go down and click the “Clear Data…” button under “Cookies and Site Data.” (2)
  • Check the box next to “Cached Web Content.”
  • Then click the “Clear” button.

How to clear Firefox cache ( macOS)

  • First, open your Firefox browser.
  • Click the menu icon in the top right of your browser window. (1)
    • Alternatively, use the “Command +” shortcut after opening Firefox.
  • Select “Settings” from the menu panel. (2)
  • Select “Privacy & Security.” (1)
  • Scroll down to “Cookies and Site Data.”
  • Click “Clear Data…” (2)
  • Select “Cached Web Content.” (1)
  • Click “Clear.” (2)

How to clear Firefox cache ( iOS)

  • First, open the Firefox app in your iPhone or Apple iPad.
  • Click the three horizontal dashes in the bottom right of the app window. (1)
  • Next, select Settings” from the popup menu. (2)
  • Scroll down to “Privacy.”
  • Click “Data Management.” (1)
  • Toggle on the data you want to clear (Cache). (1)
  • Click “Clear Private Data.” (2)

How to clear Firefox cache ( Android OS)

  • First, open your Firefox browser.
  • Tap the three vertical dots in the bottom right corner.
  • Then select Settings” from the popup menu.
  • Go down and select “Delete browsing data” in the “Privacy and security” section. (1)
  • Check the checkbox next to “Cached images and files,” leaving the rest unchecked. (2)
  • Tap the “Delete browsing data” button. (3)
  • A dialog box will pop up — press the “Delete” button to finish the process. (4)

Conclusion

Firefox browser cache speeds up site loading times by storing data, such as images, on your local device. You can clear the cache to save storage space or to fix problems, such as videos not appearing.

In Firefox, you can delete “Cookies and site data” and “Cached web content” individually.

If you’re interested in saving storage space, the best option is to delete “Cached web content.” If you decide to delete “Cookies and site data,” please be aware that you may need to log back into any sites you were signed into.

To clear Firefox browser cache in windows Windows:

  1. Open Firefox.
  2. Open menu > Click “Settings.”
  3. Click “Privacy & Security” > After, click “Clear Data.”
  4. Select “Cached Web Content” only > Click “Clear Data.”

To clear Firefox browser cache in macOS:

  1. Open Firefox.
  2. Open menu > Click “Settings.”
  3. Click “Privacy & Security” > After, click “Clear Data.”
  4. Select “Cached Web Content” only > Click “Clear Data.”

To clear Firefox browser cache in iOS:

  1. Open Firefox.
  2. Open menu > Click “Settings.”
  3. Scroll down to “Privacy” > Click “Data Management.”
  4. Toggle on “Cache” > Click “Clear Private Data.”

To clear Firefox browser cache in Android:

  1. Open Firefox.
  2. Open menu > Click “Settings.”
  3. Scroll down to “Privacy and Security” > Click “Delete browsing data.”
  4. Select “Cached images and files” > Click “Delete browsing data.” > Click “Delete” to confirm.

Thank you for reading.

Other guides: how to clear browser cache in other browsers

As well as this guide, we’ve written how-to walkthroughs that cover clearing browser cache in other browsers. Select a browser below to open the relevant guide:

Need help? This is a free service for Business Tech Planet readers. Pop in your problem below and we'll be in touch soon!

John Gleave

John Gleave has been a researcher, content writer, and senior editor at Business Tech Planet since 2022. John was formerly a data analyst and web designer with expertise in several programming languages, such as JavaScript, JQuery, PHP, CSS, SQL, and more! With a passion for writing and technology, he has now focused his skills on crafting tech guides for BTP. You can connect with John on LinkedIn.

Recent Posts